Physics, asked by GaneshonBrainly, 1 year ago

Chapter: Transfer of Heat.

Consider a flat metal sheet with a large hole at its centre. When it is heated uniformly, does the hole expand, contract or stay the same size?

Answers

Answered by shivi14151

1

if temprature increases then hole expand Becaz beta =∆A/A×∆T aera increase

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